<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList()">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList()"></el-button>
          </el-input>
        </el-col>
        <el-col :span="3">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- 表格区域 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格（元）" prop="goods_price" width="80px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="80px"></el-table-column>
        <el-table-column label="创建时间" width="160px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="120px">
          <template slot-scope="scope">
            <el-button class="el-icon-edit" type="primary" size="mini" @click="goEditGood(scope.row.goods_id)"></el-button>
            <el-button class="el-icon-delete" type="danger" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[10, 50, 100]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
  </div>
</template>
<script>
import bus from '../../assets/js/bus.js'
export default {
  data() {
    return {
      // 要搜索的关键字
      searchKey: '',
      // 商品列表数据
      goodsList: [
        {
          goods_name: 1
        }
      ],
      // 总共商品数目
      total: 0,
      // 获取商品列表时的参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      }
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 获取商品列表数据
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！')
      }
      // res.data.goods.forEach(item => {
      //   item.add_time = this.datefomate(item.add_time)
      // })
      this.total = res.data.total
      this.goodsList = res.data.goods
    },
    // 当显示条数改变时
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 当页码数改变时
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 根据id删除商品
    removeById(id) {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async () => {
        const { data: res } = await this.$http.delete('goods/' + id)
        if (res.meta.status !== 200) {
          return this.$message.error('删除失败！')
        }
        this.$message.success('删除成功！')
        this.getGoodsList()
      })
    },
    // 通过编程式导航到添加商品页面
    goAddPage() {
      this.$router.push('/goods/add')
    },
    goEditGood(id) {
      bus.id = id
      this.$router.push('/goods/edit')
    }
  }
}
</script>
<style lang="less" scoped>
</style>
